Update stdlib with vars

1 files changed, 104 insertions, 16 deletions

diff --git a/stdlib.rip b/stdlib.rip
index 4100df9..af428c3 100644
--- a/stdlib.rip
+++ b/stdlib.rip
@@ -40,20 +40,108 @@ F<mkstr>[
 	P
 ]
 
-0I[
-	a b 256
-	a b 256 256
-	a 256 b 256
-	a 256 256 b
-	a 256 256 b b
-	a 256 b b 256
-	a 256 b b%ff
-	256 b b%ff a
-	256 b newa
-	newa 256 b
-	newa b 256
-	newa b 256 256
-	newa 256 b 256
-	newa 256 newb
-	newa newb 256
+
+0I[initialises variable store at beginning of stack (no args) (CALL ONLY ONCE)]
+F<varinit>[
+	0lr 0lr 0lr  0I[guard]
+]
+
+0I[INTERNAL FUNCTION
+   hauls variable by name in argument to top of stack; pushes 0 0 if non-existent]
+F<varhaulup>[
+	00  0I[guard]
+	lRlR
+	SD3rW[
+		0I['s't'a'r't' 'w'h'i'l'e 9i 93a<mkstr><strprint>]
+		SD3r
+		6R  0I[get target varname up]
+		D5r
+		EDI[P
+			0I['e'q'u'a'l'! 9i 7<mkstr><strprint>]
+			D3r
+			4RD5rW[
+				4r4rlrlr
+			4RD5r]
+			3RP3RP
+			0  0I[to stop while loop]
+			1  0I[to prevent taking of the else branch]
+		]
+		nI[
+			0I['u'n'e'q'u'a'l'! 9i 9<mkstr><strprint>]
+			lRlR  0I[get next one]
+			SD3r  0I[get name up; if zero, then while loop should stop: end of var list]
+		]
+	]
+	0I['d'o'n'e' 'w'i't'h' 'w'h'i'l'e 9i  79a<mkstr><strprint>]
+	SD3rnI[
+		0I['i's' 'z'e'r'o 9i 8<mkstr><strprint>]
+		lrlr3RP
+		SD3rW[
+			lrlr
+		SD3r]
+	]
+	0I['d'o'n'e' 'w'i't'h' 'v'a'r'h'a'u'l'u'p 9i 99aii<mkstr><strprint>]
+]
+
+0I[pushes whether specified variable exists in store]
+F<varexists>[
+	<varhaulup>
+	Pnn
+]
+
+0I[deletes variable given by argument from store]
+F<vardel>[
+	00  0I[guard]
+	lRlR
+	SD3rW[
+		0I['s't'a'r't' 'w'h'i'l'e 9i 93a<mkstr><strprint>]
+		SD3r
+		6R  0I[get target varname up]
+		D5r
+		EDI[P
+			0I['e'q'u'a'l'! 9i 7<mkstr><strprint>]
+			PPP
+			SD3rW[
+				lrlr
+			SD3r]
+			PP
+			1  0I[did find the thing]
+			0  0I[to stop while loop]
+			1  0I[to prevent taking of the else branch]
+		]
+		nI[
+			0I['u'n'e'q'u'a'l'! 9i 9<mkstr><strprint>]
+			lRlR  0I[get next one]
+			SD3r  0I[get name up; if zero, then while loop should stop: end of var list]
+		]
+	]
+	0I['d'o'n'e' 'w'i't'h' 'w'h'i'l'e 9i  79a<mkstr><strprint>]
+	nI[
+		0I['i's' 'z'e'r'o 9i 8<mkstr><strprint>]
+		0lrlr3RP
+		SD3rW[
+			lrlr
+		SD3r]
+		PP
+	]
+	0I['d'o'n'e' 'w'i't'h' 'v'a'r'd'e'l 9i 89a<mkstr><strprint>]
+]
+
+0I[takes variable name (string) and value to store]
+F<varstore>[
+	0I['s't'o'r'i'n'g'  8<mkstr><strprint>
+	   O
+	   ' 'i'n'  4<mkstr><strprint>
+	   <strprint>
+	   9io
+	  ]
+	
+	SD<vardel>
+	Slrlr
+]
+
+0I[takes variable name (string) and pushes its value]
+F<varget>[
+	<varhaulup>
+	SP
 ]